Essential System Administration, 3rd Edition phần 9 ppsx
Essential System Administration, 3rd Edition phần 9 ppsx
... a Linux system:
$ sar -d 5 10
Linux 2.4.7-10 (dalton) 05/ 29/ 2002
07: 59: 34 PM DEV tps blks/s
07: 59: 39 PM dev3-0 9. 00 70.80
07: 59: 39 PM dev22-0 0.40 1.60
07: 59: 39 PM DEV tps blks/s
07: 59: 44 PM ... your system.
Compress large, infrequently accessed files.
07: 59: 44 PM DEV tps blks/s
07: 59: 49 PM dev3-0 96 .60 772.80
07: 59: 49 PM dev22-0 0.00 0.00
Average: DEV tps blks/...
essential system administration 3rd edition phần 9 pot
... a Linux system:
$ sar -d 5 10
Linux 2.4.7-10 (dalton) 05/ 29/ 2002
07: 59: 34 PM DEV tps blks/s
07: 59: 39 PM dev3-0 9. 00 70.80
07: 59: 39 PM dev22-0 0.40 1.60
07: 59: 39 PM DEV tps blks/s
07: 59: 44 PM ... 0.00 0 0 10 2 88
0 13 9. 03 64 0.56 0.00 0 0.00 0.00 0 0.00 1 0 7 1 91
0 13 1 .91 63 0.12 0.00 0 0.00 0.00 0 0.00 2 0 4 2 92
0 13 2. 29 64 0.14 0.00 0 0.00 0.00 0 0.00 2 0...
Essential System Administration, 3rd Edition phần 1 pps
...
Errata
Essential System Administration, 3rd Edition
By Æleen Frisch
Publisher
: O'Reilly
Pub Date
: August 2002
ISBN
: 0- 596 -00343 -9
Pages
: 1176
Whether you use a standalone Unix system, ... Inc.
1005 Gravenstein Highway North
Sebastopol, CA 95 472
(800) 99 8 -99 38 (in the United States or Canada)
(707) 8 29- 0515 (international/local)
(707) 8 29- 0104 (fax)
There...
Essential System Administration, 3rd Edition phần 2 pptx
... gunzip mtools-3 .9. 7.tar.gz
$ tar xvf mtools-3 .9. 7.tar
x mtools-3 .9. 7/INSTALL, 737 bytes, 2 tape blocks
x mtools-3 .9. 7/buffer.c, 8 492 bytes, 17 tape blocks
x mtools-3 .9. 7/Release.notes, 893 3 bytes, ... Checking and mounting the root filesystem
The root filesystem is the first filesystem that the boot process accesses as it prepares the system for use. On a System V system, co...
Essential System Administration, 3rd Edition phần 3 potx
... (for example, 200- 299 is used for chemistry department
users, 300- 399 is used for physics, and so on).
Multiple user accounts with the same UID are the same account from the system& apos;s point ... -f
Linux
chage -d 0 -M 99 9 (if not using aging)
Solaris
passwd -f
Tru64
usermod -x password_must_change=1
The Linux command works by setting the date of the last password change to January 1,...
Essential System Administration, 3rd Edition phần 4 ppt
... 1 root system 2732 Jun 23 12:43 /etc/passwd.sav
-rw-r r 1 root system 297 1 Jul 12 09: 52 /etc/passwd
-rw 1 root system 1314 Jul 12 09: 55 /etc/shadow
-rw 1 root system 1056 Apr 29 18: 39 /etc/shadow.old ... 10:03 (00:02)
harvey ttyp1 iago Fri Sep 16 09: 57 10:07 (00: 09)
chavez ttyp5 Fri Sep 16 09: 29 still logged in
$ last chavez
chavez ttyp5 Fri Sep 16 09: 29 still logge...
Essential System Administration, 3rd Edition phần 5 docx
... under
iso.org.dod.internet.mgmt.mib-2.host.hrSystem :
# snmpwalk beulah somethingsecure host.hrSystem
host.hrSystem.hrSystemUptime.0 = Timeticks: (31861126)
3 days, 16:30:11.26
host.hrSystem.hrSystemDate.0 = 2002-2-8,11:5:4.0,-5:0 ... BOOT_FILE=/boot/vmlinuz enableapic vga=0x0314."
host.hrSystem.hrSystemNumUsers.0 = Gauge32: 1
host.hrSystem.hrSystemProcesses.0 = Gauge32: 205
host.h...
Essential System Administration, 3rd Edition phần 6 ppt
... /stand
/dev/vg00/lvol7 2 097 152 4 196 75 1572833 21% /var
/dev/vg00/lvol6 1048576 515524 499 746 51% /usr
/dev/vg00/lvol5 65536 1128 60386 2% /tmp
/dev/vg00/lvol4 2 097 152 63 291 6 13727 29 32% /opt
/dev/vg00/lvol8 ... bio_lv logical volume and the filesystem that it contains:
# umount /dev/vg1/bio_lv
# e2fsadm /dev/vg1/bio_lv -L+100M
e2fsck 1.18, 11-Nov- 199 9 for EXT2 FS 0.5b, 95 /08/ 0...
Essential System Administration, 3rd Edition phần 7 potx
... Up and Restoring the System Filesystems
This final section covers backing up and restoring thefilesystem containing the operating system itself,
including the case of a system disk failure. Recovering ... filesystem (RAM disk) or one
# /etc/gettytab
default:\
:cb:ce:ck:lc:fd#1000:im=\r\n%s/%m (%h) (%t)\r\n\r\n:\
:sp#1200:if=/etc/issue:
cons8:\
:p8:sp #96 00:
2|std .96 00 |96 00-bau...
Essential System Administration, 3rd Edition phần 8 pot
... deleted:
chavez:Al9ddmL.3qX9o: 190 :20:Rachel Chavez:/home/chavez:/bin/csh
*** Password file protection:
-rw-r r 1 root system >>> correct values
-rw-r r 1 root system 1847 Jun 11 22:38 ... GID=0 accounts:
badboy:lso9/.7sJUhhs:000:203:Bad Boy:/home/bb:/bin/csh
*** Accounts added:
chavez:9Sl.sd/i7snso: 190 :20:Rachel Chavez:/home/chavez:/bin/csh
wang:l9jsTHn7Hg./a:308:302:Ri...
Từ khóa: